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newbieplanter · 01-24-2013, 10:49 PM

Ok I just started a new tank and I made a light canopy all that is is a box with no top/bottom it's the exact size of the tank so it fits kinda tight I wanna say air tight I guess but anyway I got 2 26w 3500k ea on a 15-20 gallon deep tank and it was on today for the first time an now I have mold spores on top the water the only plant I have is Rotala about 5 stems. What did I do wrong and will a 50-100% water change to get rid of it?

01-24-2013, 10:49 PM	#1
newbieplanter Planted Member (View User Tanks) PTrader: (9/100%) Join Date: Jan 2013 Location: Boston ma Posts: 255	Help??? Ok I just started a new tank and I made a light canopy all that is is a box with no top/bottom it's the exact size of the tank so it fits kinda tight I wanna say air tight I guess but anyway I got 2 26w 3500k ea on a 15-20 gallon deep tank and it was on today for the first time an now I have mold spores on top the water the only plant I have is Rotala about 5 stems. What did I do wrong and will a 50-100% water change to get rid of it?